Today:
1767 – English surveyors Charles Mason and Jeremiah Dixon completed their survey establishing the boundary between Pennsylvania and Maryland. The Mason-Dixon Line later became a symbolic dividing line between the Northern and Southern United States.
1845 – The United States Naval Academy opened in Annapolis, Maryland, with 50 midshipmen and seven instructors. Originally called the Naval School, it became one of America’s most prestigious military educational institutions.
1868 – Cuban revolutionary Carlos Manuel de Céspedes proclaimed independence from Spain, beginning the Ten Years’ War. The uprising marked the beginning of Cuba’s prolonged struggle for independence from Spanish colonial rule.
1911 – The Wuchang Uprising began in China, triggering a revolution that eventually overthrew the Qing Dynasty and ended more than 2,000 years of imperial rule. The Republic of China was established the following year.
1935 – George Gershwin’s opera Porgy and Bess premiered on Broadway in New York City. Featuring songs such as “Summertime,” it became one of the most celebrated works in American musical theater.
1964 – The Summer Olympic Games opened in Tokyo, marking the first time the Olympics were held in Asia. The Games showcased Japan’s remarkable postwar recovery and featured athletes from 93 countries.
1967 – The Outer Space Treaty entered into force, establishing international principles governing space exploration. The agreement prohibited nations from claiming sovereignty over the Moon and other celestial bodies and banned weapons of mass destruction in orbit.
1970 – Fiji gained independence from Great Britain after 96 years of colonial rule. Ratu Sir Kamisese Mara became the nation’s first prime minister.
1971 – The historic London Bridge was officially dedicated in Lake Havasu City, Arizona. Purchased from London in 1968, the bridge’s original granite exterior was transported across the Atlantic and reconstructed around a modern structure in the Arizona desert.
1973 – U.S. Vice President Spiro Agnew resigned after pleading no contest to a federal income tax evasion charge. President Richard Nixon subsequently nominated Gerald Ford to replace him, setting the stage for Ford’s unexpected rise to the presidency the following year.